2-(1,4-dihydroxy-4-methylpentyl)-5,8-dihydroxynaphthalene-1,4-dione

2-(1'-bromo-4'-hydroxy-4'-methylpentyl)-1,4,5,8-tetraacetoxynapthalene

5,8-dimethoxy-2-(5,5-dimethyl-2-tetrahydrofuranyl)-1,4-naphthoquinone

2-(1-methoxy-4-methyl-3-pentenyl)-1,4,5,8-tetramethoxynaphthalene

2-(1,4-dihydroxy-4-methylpentyl)-5,8-dimethoxynaphthalene-1,4-dione